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26 Commits

Author SHA1 Message Date
Benjamin Kramer
1d13d9ed96 DWARF: avoid unnecessary map lookups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140260 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-21 17:31:42 +00:00
Benjamin Kramer
76f58d2031 Namespacify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139892 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-16 00:35:06 +00:00
Benjamin Kramer
9013db3399 DWARF: Reset the state after parsing a line table prologue and remove an unnecessary lookup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139859 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 21:59:13 +00:00
Benjamin Kramer
f5b0accf43 DWARF: Don't crash when looking up an invalid address. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139846 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 21:08:54 +00:00
Benjamin Kramer
101b1c5ff1 DWARF: Put all the pieces we have together and provide a single accessor to DIContext that provides line information when given an address. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139836 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 20:43:22 +00:00
Benjamin Kramer
c26ed9b47f DWARF: Remove accessors that parse the whole line table section in one go, this can't possibly work. 
The address size is specified by the compile unit associated with a line table, there is no global address size.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139835 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 20:43:18 +00:00
Benjamin Kramer
fe80f1da40 DWARF: Print line tables per compile unit, so they get the right address size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139808 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 18:02:20 +00:00
Benjamin Kramer
34f864fd38 DWARF: wire up .debug_str dumping. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139799 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 16:57:13 +00:00
Benjamin Kramer
75c63087b4 DWARF: Make DIE printing more bulletproof. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139786 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 05:43:00 +00:00
Benjamin Kramer
7b97442b49 DWARF: Print the number for unknown abbrev fields. 
Thanks Nick!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139778 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 04:15:59 +00:00
Benjamin Kramer
42180e8336 DWARF: Fail gracefully when encountering unknown values in an abbrev. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139777 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 04:00:58 +00:00
Nick Lewycky
6bc4e712dc Give structs with virtual methods a virtual destructor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139776 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 03:41:51 +00:00
Benjamin Kramer
068d9a564b DWARF: Silence GCC -Wsign-compare warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139775 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 03:20:04 +00:00
Benjamin Kramer
89aedba562 DWARF: Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139774 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 03:11:09 +00:00
Benjamin Kramer
7393c7f748 DWARF: Include <algorithm> explicitly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139773 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 02:19:33 +00:00
Benjamin Kramer
b848e97611 DWARF: Add basic support for line tables. 
The llvm-dwarfdump output isn't very verbose yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139771 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-15 02:12:05 +00:00
Benjamin Kramer
10df80692c DWARF: Generate the address lookup table from the DIE tree if .debug_aranges is not available. 
Ported from LLDB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139732 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-14 20:52:27 +00:00
Benjamin Kramer
d6361c0954 DWARF: Reorder fields to reduce padding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139712 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-14 18:34:47 +00:00
Benjamin Kramer
0942255f6d DWARF: Improve indentation of DIE dumping so it's easier to see the structure. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139705 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-14 17:54:56 +00:00
Benjamin Kramer
1c0b24f91a llvm-dwarfdump: Make the "is debug info section" heuristic stricter so it doesn't accidentaly picks up the wrong section. 
Also add some validation code to the aranges section parser.

Fixes PR10926.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139701 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-14 17:28:13 +00:00
Benjamin Kramer
553f933963 Don't rely in <algorithm> being pulled in transitively. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139684 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-14 01:27:48 +00:00
Benjamin Kramer
358f4fd9ee DWARF: Port support for parsing .debug_aranges section from LLDB and wire it up to llvm-dwarfdump. 
This is only one half of it, the part that caches address ranges from the DIEs when .debug_aranges is
not available will be ported soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139680 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-14 01:09:52 +00:00
Benjamin Kramer
15ec085c40 DebugInfo: Don't print DIEs multiple times. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139671 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-14 00:15:32 +00:00
Benjamin Kramer
4aa3fea8b1 Style & indentation tweaks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139646 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 21:47:32 +00:00
Benjamin Kramer
8a23a77a54 I know copy&paste! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139628 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 19:49:53 +00:00
Benjamin Kramer
72c0d7fdd3 Sketch out a DWARF parser. 
This introduces a new library to LLVM: libDebugInfo. It will provide debug information
parsing to LLVM. Much of the design and some of the code is taken from the LLDB project.

It also contains an llvm-dwarfdump tool that can dump the abbrevs and DIEs from an
object file. It can be used to write tests for DWARF input and output easily.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139627 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-13 19:42:23 +00:00